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mini-vue Implement a simple Vue js. To understand the principle of Vue response, mom doesn't have to worry about me not using Vue anymore! The technology is not yet mature and only a small part of functions are realized-- 2020/08/27 Technical implementation reference Pull hook education "big front-end high salary training camp&quot ...

1, FileInputStream method explain int available() Returns an estimate of the number of bytes that can be read (or skipped) from the input stream without blocking, which may be 0, or 0 when the end of the stream is detected int read() Write a character to the stream int read​(byte[] b) Read multiple bytes into b array int read​(byte[] ...

Function of this example: use gcd to sort an array with 40000 numbers, and the numbers in the array are randomly generated The generated array code is as follows _numsMutableArray = [[NSMutableArray alloc] init]; for (int i = 0; i < 40000; i++) { NSNumber *temp = [NSNumber numberWithInt:arc4random_uniform(1000000)]; ...

A. Potion-making Solution idea: for a mathematical thinking problem, we abstract the description of the problem into w/(e+w)=k/100, because the input of k can be regarded as a known quantity. What we need to find is e+w, and then we move the formula to e+w=w*100/k. now the only unknown quantity of this formula becomes W. we just need to enum ...

preface Recently, I chose the elective course of Linux kernel principle. Although the class is relatively short, the content involved can only cover a small part of Linux knowledge, the teacher's level is really high and the knowledge is very in-depth. The small assignment this time is to write C language program under Linux platform to realiz ...

Source code acquisition: download from "resources" on the blog home page! 1, Project brief Function: the project is a hospital management system written with springboot+layui+shiro. The business of the system is relatively complex. There are 36 tables in the database. The project is divided into outpatient management, inpatient m ...

<!--           String  charAt(idx) returns the char value at the specified index. int indexOf(int ch, int fromIndex) returns the index at the first occurrence of the specified character in this string, and searches from the specified index. String substring(int beginIndex) returns a new string, which is a substring of this string. substr(m,n ...

1, What is delegation? Delegates are the of addressing methods Net version, in C + +, the function pointer only points to the memory location, which is not type safe. You can't know what this pointer actually points to, nor can you know the parameter type and return type. And Net delegate is a type safe class, which defines the return ty ...

[tcallusdb knowledge base] restfulapi2 0 for generic table - [PB] FieldGetRecord introductionbrief introductionThe corresponding field selected in the auto increment record only works on numeric type fields. It is often used in scenes such as players' experience value increase and level increase to avoid checking and updating first and reduce n ...

Time series data can be seen everywhere. In order to analyze time series, we must preprocess the data first. Time series preprocessing technology has a significant impact on the accuracy of data modeling.In this article, we will mainly discuss the following points:Definition and importance of time series data.Preprocessing steps of time series ...